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4, A sum of % 468.75 was lent, interest and at the end of | ye, total amount was & 500. Find 1, , percent per annum. /% 468.75 a wpa, , at % SUR FY ort Fw ato ae a ae, ae aff © 500 FF ont 2 tt oem ee at x, sd), , out ata simple, ‘ar 8 months, the, he rate of interest, , (a) 4.5% (b) 4%, (c) 5% (d) 6%, 2. A farmer borrowed % 2400 at 12% interest per, , 1, annum. At the end of a years, he cleared his, , account by paying % 1200 and a cow. Find the, cost of the cow. / Wey Part = 2400 a afr 12%, , SUR ST KE SU Sat 31 25 aS sin 9, ow, aren eof & 1200 Tr eH ma tax Ger dat a, arr @t Stee 8:, , (a) = 1820 (b) = 1720, , (c) = 1920 (d) None of these, , 3. In 9 years a sum amounts to 2 times itself under, SI. In how many years will the sum become 3, , times itself? / vr UR eet =net Ht, aa ¥ wa at 2 ait 8 ant ze, wea at 3 at at seit? 3, (a) 15 years (b) 18 ye, (c) 12 years (d)s24 years, , 4. 'A' lends % 430Q at 2 ep annum simple, , 1, interest for 25 4 lends = 645 at 125% per, , annum simp) MS for 12 yr. Who gets more, , SIRT SAT HK sim x, , , , , , in A,, , , , i K core gue tar BOTH BE 645, , wre 125% Ha Dae Se Fe, , aun tar 8 at a a As often ST Se OT?, , @A (b) B, , (c) Both get same (d) Data insufficient, , 5. Aman borrows % 12000 at 8% simple interest for, 2 years. He repays © 12000 at the end of 2 year, and balance at the end of third year. How much, , did he repay at the end of third year? / Tar eafet, , The Legend of Math — Rajesh Lamba, , 10., , % 12,000, 8% arent erst oe! 2 aat F fry HoT, aor 81 2 af B sit F ser co 12000 gar ar, wear te aftr dtet at Host Y yore at atat at, ¥ yearn ar aft? :, , (a) % 2145.40 (b) & 2073.60, , ‘(c) 2042.20 (d) % 2130.90, , What sum of money lent out of simple fnterest, will amounts % 3400 in 3 yr at 19%@ pertagnth? /, , feet aftr sea A sme fr j 1% afer, We Ht AUT Sst HI az A, ?, (a) 7 2400 (b) %1 0, , 2009 to Dec. at cr % per annum. / &, , (c)% 1600 ) % 2500, Find the oo Meo 4500 from Oct. 10,, 0, , , , , , , 2009 & fara 22, 2009 7%, , Bart FIT aE, , wo?, SY (b) % 84, (cP 86 (a) 394, , 1, If the rate of simple interest is reduced from ws, , % per annum to 65% per annum, find the, decrease in half yearly interest on % 7280. / afe, aurora A A 72% H Be 65% A, omg at = 7280 % set A anit sare afe SIT FT, ware acarie Bh, , (a) 7 32.60 (b) = 36.40, , (c) 39.50 (d) = 31.70, , The difference between the simple interest, received from two different sources on = 1500, for 3 years is = 13.50. The difference between, their rates of interest is: / © 1500 @ uray W 3, ast %, 2 fier tat @ wet Set wT sat & 13.50, 8 a ret Set aa aT siex 2, , (a) 0.1% (b) 0.2%, (c)0.3% (d) 0.4%, , A sum of @ 10,000 is lent partly at 8% and, remaining at 10% per annum. If the yearly, interest on the average is 9.2%, the two parts, are:/® 10,000 av uf a1 |e WET 8% St ST, , [125]

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BT TH MW TT 10% At eB Tue Ra wm 21, ee sea at at et 9.2% 2 a aA, WNT B:, , (a) F 4000, % 6000, (©) & $000, S000, , (b) % 4500, % 5500, , (d) % 5500, % 4500, , Uf the simple interest on % 1500 increases by %, 30, when the time increases by 8 years, Find the, rate percent per annum. / We FAT a 8 at a, Fern Tat F At & 1900 W AA Ae AM 30, a weit Fw afar 2:, , (a) 0.5%, , (c) 0.75%, , (b) 0.25%, , (d) 1.25%, , 12. Arman invested an amount of % 3000 at the, simple interest of aim per annum and another, , amount at the simple interest of 5% per annum., The total interest earned at the end of one year on, , “ . 1, the total amount invested became 358 per, , annum. Find the total amount invested, / 3t4rt, , % 3000 3 at 25% UT aT ET, , ee EB ie Fgh are 55% aa Ray, at qa war 2 - ;, , (a) = 5000, (c) % 6000, , , , (b) % $000 % dé, , (dz 2008, /, , The simple interest on a &oy yf money is — of, ap Sumo) vis 5, , the principal, and'th iidiaperér years is equal to, the rate perceny annum. Find the rate, , a y 1, t./ festegta Te AUNT Ast, FIT aT —, , 2, , 13,, , , , , , , , , (b) 3 ; %, (c) 3% (d) 33%, , 14. Payal borrowed some money at the rate of 5%, per annum for the first iwo years, 4% per annum, for the next four years and 3% per annum for the, period beyond six years. If the total interest paid, by her at the end of eight years is % 3840, how, much money did she borrow? / Wat A as afir, 5% Fee 2 aa & fag, 4% Hl XR aT 4, , The Legend of Math — Rajesh Baniba, , A, , ser UR 5% areca ow Rat Rear afe Ja Oy fetched, , . Th (c) % 1200, , oy, , Simple In teres;, , at eRe a6 MF Te F fe IM Ty, sue a af sar a TH FH Me HI ANT G 349, , yard Bt at aye ORT Fy ser eae aH, (a) = 12000 (b) % 1200, (c) % 8000 (d) 2 6000, , 15, In what time does a sum of money become foy,, times at the simple interest rate of 10% per, annum? / Prat ert F 10% A ater, , aaet ay ae a are af ae TA er se?, , a, (a) 30 years (b) 25 year: A, (c) 35 years (d) AO yéars, 16. A certain sum is invested cerfain time. fp 4, , amounts to Z 60 at 6% p.a.m. Buewhen investeq |, at 3% p.a.m., it amountsitg = 30. Find the time, /, , , , , , , , we Affas af war t ra as fe Par a, aid 21 7e 6% P%. 60 8 oat ® ARR, 3%at ae AS 30 SR & ah aT B, ae, (a) 50 yearh, (b) 60 years, Q “ey x, (c) 45’years ” (d) Not possible, A YY, 17. Ass ir was put at SI at a certain rate for 4 years,, Ha, , , , een put at 4% higher rate, it would have, % 160 more. Find the sum. / && Wt, , at 1 4 ae S fie va Par ax HK, wat wrt Bi ale aT a 4% aitren ae TT, , a ea aS 160 Tarer Bis Pree at ae ze, (a) = 1500 (b) = 800, , (d) = 1000, , 18. A certain sum of money at simple interest, amounts to % 379.50 in 3 years and to 2 453.75, , , , in Te years. Find the sum and the rate of, interest. / HE URN AUT aa K 3 aT AE, 379.50 Tat 15 asi ¥ = 45375 ef oar & at we, af aan ae 8, (a) F330, 5%, (c) % 330, 4%, , (b) & 370, 5%, (d) 3 370, 4%, , 19 Ata certain rate of simple interest % 800, amounted to % 920 in 3 years. If the rate of, interest be decreased by 3%, what will be the, amount after 3 years? / war Fafkaa ex a F 800,, 3 ast Fe 920 ef vier 81 ate ax 3% Fer Ra, way at ae aft 3 ait % fora a oe?, , (a) F840, , (c) F848, , (b) = 838, (d) % 858, , (126)

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x =, , rhe simple interest on a sum, wate’ years. In the next 5 years princi;, eS hat will be the total interest at ss, of the 10th year? / RRA afr ie . “eo end, mono ss on Ss Sa, i sr at FT BY sre at 08 aE S ae, ¥ ager wart 8:, , (a) = 1000 (b) Z 1200, , fo) #1500 (a) ® 2000, , 3 < “, @ The simple interest on a sum of. money will be 2, 300 after 4 years. In the next 6 years principal, becomes 4 times, what will be the total interest at, the end of the 10th year? / vq aft wa at &, ae SMT SNst F300 2 am aa 6 aa A ae, am 4 at & viet 2 FT we at a a a, , , , , Of money will be Z, , ara 2 :, (a) = 2100 (b) = 1600, (©) = 1800 (4) = 2000, , 22. Asum of & 2600 is lent out in two pants in such, a way that the interest on one part at 10% for 5, years is equal to that on another part at 9% for 6, , years. Find the two sums. /®, 2600 @& writ ¥ <a, yar uk & orat 2 Pe wa wT Ww 10% AIRY,, , aca 5 we Fy ay Te SW, A AMT K 9%, ar SR 6 EH oe are ST B TTT FI, Sat ut @ tes \, “cae, , _ (a) % 1350, % 1250 (b) = 1206, Figo ‘, (c) ¥ 1800, 800 (dz 15502 1050, 23. A sum of % 18750 is left by will by, , CY, , aiither to be, divided between two sons‘of,,2 and 14 years of, age, so that they attain mattifity at 18, the amount, received by each“atS% sitaplé interest will be the, same. Find the}sum “ajjotfed at present to each, ean @ & 18750 3 A, , a ey a, , , , (b) & 9000, = 9750, (d) None of these, , (a) 36000, % 10,750, (c) % 10,000, % 8750, , 1, %4. A person lent a certain sum of money at 7 38, , 1 i ‘i, simple interest and in 25 years the interest, , amounted to ¥ 625 less than the sum lent. Find, t ‘, the sum/ ger wafer A OH ant rl want, \, , ‘The Legend of Math — Rajesh Lamba, , Simple [Interest, , we seme ear ae 12) at Ho gra aT ATA,, , 2, aft & © 625 ar grat farm at afar e :, (a) = 5000 (b) % 10,000, (c) = 1100 (d) % 1200, , GSP rne simple interest on % 825 will be less than the, interest on % 900 at 2% simple interest by @ 15., , Find the time. /& 625 We SRA BY aTeT STURT, arm, % 900 % Gt BY aT AMT A Fs FT, Bi ale a 2%8 th aaTs : Al,, , (a) 5 years, , , , (c) 10 years, , 26. The simple interest in 14 morittes“on a certain, sum at the ratz of 6%p%am. is T 250 more than, the interest o1 the sdmg¢ slim at the rate of 8%, p.a.m. in 8, mopthsiy much. amount was, borrowed? / gar fafa wir 14 AE A 6%, Rar aes afr % 8 He F 8%, aa apt wage 250 FAI dat we su, az (b) % 25000, (6)? 7500 (d) = 14500, , Sujain berrows @ 7000 from a bank at SI. After, , * three years he paid = 3000 to the bank and at the, cna of 5 years from the date of borrowing he, paid % 5450 to bank to settle the account. Find, , the rate of interest. / Ga vn tH J T 7000, AIT aI We Het ail 3 at & qe sat aa at, , = 3000 far am my a 5 ad H Ae & 5450, sax fa ar asi yar Ram & afaea &, , (a) 6% (b) 4.5%, , (c) 8% (d) 5% , 28. Some amount out of % 7000 lent at 6% p.a.m., and the remaining at 4% p.a.m. If the total simple, interest from both the fraction in 5 years was z, 1600, Find the sum lent at 6% p.a.m. /® 7000, age Freer 6% ven 3 TT 4% A after Sat at, a We Sun of TE) afe AH feat A 5 aa A ae, ast & 1600 Wet Kan AY at Oo ae We Ue:, , (a) % 1500 (b) = 1600, (c) & 2000 (d) % 1800, ), , , , , , , , , , , 29. A man invested ; of his capital at 7%, ; at 8%, , and the remainder at 10%. If his annual income, is 561, find the capital. / var At He Hit, , [127]

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Jd, wT 79% ST 8% err Ber or 10% &t, , wr, 3, , wrt w Rae for aft seen offer onT 561, , Bt ae HTe;, , (a) 8 6600 (b) % 5600, , (c) & 4500 (d) & 6000, , 30. A person lends < 6U0 tor 5 years and @ 750 for 2, years, received altogether from both & 450 as, interest. Find the rate of interest, simple interest, being calculated. / war Saft % 600, 5 at a ferz, war & 750, 2 a8 & fae sue Ran ae aa a, , A Mes MT Baw 450 F a ae B:, (a) 9% (b) 10%, (c) 11% (d) 12%, 31. Raju claims to be lending money at simple, interest, but he includes the interest every 4, , months for calculating the principal, if he is, charging an interest of 12%, the effective rate of, , interest is approximately. / W{ arerer ST IT, wear cat 2Y at areal & afd Fe ST wae 4, , ae @ ae ye wa wet & fee ote tor #1, aft ani a 12% % a ah ort A we, (serrt), (a) 13.25% (b) 12.5%, , (d) 13.5%, , (c) 12.75%, , 32. A man invests a certain sum of, annum simple interest and, annum simple interest. His inco’, , at 6% per, %, , , , , after 2 years was % 792. Also,, , sum is equal to one-third ¢ second sum. The, total sum invested was, ver Pftae ofr, wT 6% AUT oer afr st 7%, anfttes arereor Paw aa 3) Saar, ara & 2 art & 792 a1 ate Test, afar Saat ar var feers Fae Bt, a afar Rt:, , 10 (b) = 6200, , (c) 00 (d) = 5900, , 33. A borrowed % 4800 from B at 9% per annum, simple interest for 3. yrs. He then added some, more money to the borrowed sum and lent it toC, for the same period at 12% per annum simple, interest. If A gains & 720 in the whole, transaction, how much money did he add from, his side? / A aren wna T % 4800, 9% antes, ano, Fw a 3 oat eH fore sure Fe! Ae ee, , afr % ae aie ale Pram wart wat waft ae, , fer 12% afer erat Aw A Cm gun @ fear, The Legend of Math — Rajesh Lamba, , 34., , 35., , 36., , 37., , 38., , 4, , Simple Intereg, , aft A at oft aa-2a FE 720 FT TUM Eon, at sifafterer Premé af aftr at, , (b) % 740, , (d) % 800, , Two equal sums of money were lent at simple, interest at 10% per annum for 4 yrs and 5 yry, If the difference in interests for two, , respectively. 1, z 220, then each sum is / Sr ay, , periods was, afta Bree BARA HAM: 4 OE ey, , at 10% Ft, 5 ag & ae sue & amet F ae we ant, aa ofek © 220 & a Tee OA :, , (a) 880 (b), (c) % 2200 (d) = 1640,, , On a certain sum, the sigaple interest at the end of, 8 yrs becomes 2 hom What is the rate, , Pfsaa ura 9, 8 ait, af af aT 2 a amea, , (a) % 500, (c) € 640, , percent per ann!, , *, , afi a: ., , Say (b) 6%, c) 5% (d) 65 %, , A sum of & 8000 was lent partly at 7% and partly, at 9% simple interest. If the total annual interest, be % 620, the ratio in which the money was lent, at given rates is / ®. 8000 at sift 7 & 7%, , ar 9% BY aafias are AT FE SUR a Sa 8, afe qa afte wet eT & 620 2 a fey we, afr ar arma @ :, , (a) 5:3 (b) 1:4, , (c) 2:3 (d)3:4, , A person borrows some money for 5 years and, , ratio of loan amount to total interest amount is 5:, 2. Then the ratio of loan amount to interest rate, , is:/ Ur aafea AE ernie s we S foe sun Aa, doit qa a an ar a aqua 5 22a, ae a ast et aT STA e, (a) 2:25 (by 2 I, (e) S82 (d) 25:2, Sahil deposited = 29400 for 6 years at simple, interest. He got % 4200 as intgrest after 6 years., The annual rate of interest was : / aft 7, 29400, 6 at & fare aremeor saret ae sar feel 6, af qe 3a © 4200 Sat weet EST A aah SINT, awe :, , [128], , ————